Groundbreaking self-destructing battery dissolves in water when its job is done

When it comes to the environment, batteries are a big problem. Even rechargeable batteries eventually reach the end of their lifespan, and all too often wind up in landfills rather than designated recycling facilities. In an effort to turn wasted batteries into a thing of the past, one team of researchers has developed a new type of energy storage device that self-destructs when it’s no longer needed.
Researchers at Iowa State University have created a battery that dissolves in water....